src/systemd/sd-rtnl.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 #ifndef foosdrtnlhfoo
   4 #define foosdrtnlhfoo
   5
   6 /***
   7   This file is part of systemd.
   8
   9   Copyright 2013 Tom Gundersen <teg@jklm.no>
  10
  11   systemd is free software; you can redistribute it and/or modify it
  12   under the terms of the GNU Lesser General Public License as published by
  13   the Free Software Foundation; either version 2.1 of the License, or
  14   (at your option) any later version.
  15
  16   systemd is distributed in the hope that it will be useful, but
  17   WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19   Lesser General Public License for more details.
  20
  21   You should have received a copy of the GNU Lesser General Public License
  22   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  23 ***/
  24
  25 #include <inttypes.h>
  26 #include <netinet/in.h>
  27 #include <netinet/ether.h>
  28 #include <linux/rtnetlink.h>
  29 #include <linux/neighbour.h>
  30
  31 #include "sd-event.h"
  32 #include "_sd-common.h"
  33
  34 _SD_BEGIN_DECLARATIONS;
  35
  36 typedef struct sd_rtnl sd_rtnl;
  37 typedef struct sd_rtnl_message sd_rtnl_message;
  38
  39 /* callback */
  40
  41 typedef int (*sd_rtnl_message_handler_t)(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);
  42
  43 /* bus */
  44 int sd_rtnl_open(sd_rtnl **nl, unsigned n_groups, ...);
  45 int sd_rtnl_open_fd(sd_rtnl **nl, int fd, unsigned n_groups, ...);
  46 int sd_rtnl_inc_rcvbuf(const sd_rtnl *const rtnl, const int size);
  47
  48 sd_rtnl *sd_rtnl_ref(sd_rtnl *nl);
  49 sd_rtnl *sd_rtnl_unref(sd_rtnl *nl);
  50
  51 int sd_rtnl_send(sd_rtnl *nl, sd_rtnl_message *message, uint32_t *serial);
  52 int sd_rtnl_call_async(sd_rtnl *nl, sd_rtnl_message *message,
  53                        sd_rtnl_message_handler_t callback,
  54                        void *userdata, uint64_t usec, uint32_t *serial);
  55 int sd_rtnl_call_async_cancel(sd_rtnl *nl, uint32_t serial);
  56 int sd_rtnl_call(sd_rtnl *nl, sd_rtnl_message *message, uint64_t timeout,
  57                  sd_rtnl_message **reply);
  58
  59
  60 int sd_rtnl_get_events(sd_rtnl *nl);
  61 int sd_rtnl_get_timeout(sd_rtnl *nl, uint64_t *timeout);
  62 int sd_rtnl_process(sd_rtnl *nl, sd_rtnl_message **ret);
  63 int sd_rtnl_wait(sd_rtnl *nl, uint64_t timeout);
  64 int sd_rtnl_flush(sd_rtnl *nl);
  65
  66 int sd_rtnl_add_match(sd_rtnl *nl, uint16_t match, sd_rtnl_message_handler_t c, void *userdata);
  67 int sd_rtnl_remove_match(sd_rtnl *nl, uint16_t match, sd_rtnl_message_handler_t c, void *userdata);
  68
  69 int sd_rtnl_attach_event(sd_rtnl *nl, sd_event *e, int priority);
  70 int sd_rtnl_detach_event(sd_rtnl *nl);
  71
  72 /* messages */
  73 int sd_rtnl_message_new_link(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t msg_type, int index);
  74 int sd_rtnl_message_new_addr_update(sd_rtnl *rtnl, sd_rtnl_message **ret, int index, int family);
  75 int sd_rtnl_message_new_addr(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t msg_type, int index,
  76                              int family);
  77 int sd_rtnl_message_new_route(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t nlmsg_type,
  78                               int rtm_family, unsigned char rtm_protocol);
  79 int sd_rtnl_message_new_neigh(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t msg_type, int index, int nda_family);
  80
  81 sd_rtnl_message *sd_rtnl_message_ref(sd_rtnl_message *m);
  82 sd_rtnl_message *sd_rtnl_message_unref(sd_rtnl_message *m);
  83
  84 int sd_rtnl_message_request_dump(sd_rtnl_message *m, int dump);
  85 int sd_rtnl_message_is_error(sd_rtnl_message *m);
  86 int sd_rtnl_message_get_errno(sd_rtnl_message *m);
  87 int sd_rtnl_message_get_type(sd_rtnl_message *m, uint16_t *type);
  88 int sd_rtnl_message_is_broadcast(sd_rtnl_message *m);
  89
  90 int sd_rtnl_message_addr_set_prefixlen(sd_rtnl_message *m, unsigned char prefixlen);
  91 int sd_rtnl_message_addr_set_scope(sd_rtnl_message *m, unsigned char scope);
  92 int sd_rtnl_message_addr_set_flags(sd_rtnl_message *m, unsigned char flags);
  93 int sd_rtnl_message_addr_get_family(sd_rtnl_message *m, int *family);
  94 int sd_rtnl_message_addr_get_prefixlen(sd_rtnl_message *m, unsigned char *prefixlen);
  95 int sd_rtnl_message_addr_get_scope(sd_rtnl_message *m, unsigned char *scope);
  96 int sd_rtnl_message_addr_get_flags(sd_rtnl_message *m, unsigned char *flags);
  97 int sd_rtnl_message_addr_get_ifindex(sd_rtnl_message *m, int *ifindex);
  98
  99 int sd_rtnl_message_link_set_flags(sd_rtnl_message *m, unsigned flags, unsigned change);
 100 int sd_rtnl_message_link_set_type(sd_rtnl_message *m, unsigned type);
 101 int sd_rtnl_message_link_set_family(sd_rtnl_message *m, unsigned family);
 102 int sd_rtnl_message_link_get_ifindex(sd_rtnl_message *m, int *ifindex);
 103 int sd_rtnl_message_link_get_flags(sd_rtnl_message *m, unsigned *flags);
 104 int sd_rtnl_message_link_get_type(sd_rtnl_message *m, unsigned *type);
 105
 106 int sd_rtnl_message_route_set_dst_prefixlen(sd_rtnl_message *m, unsigned char prefixlen);
 107 int sd_rtnl_message_route_set_src_prefixlen(sd_rtnl_message *m, unsigned char prefixlen);
 108 int sd_rtnl_message_route_set_scope(sd_rtnl_message *m, unsigned char scope);
 109 int sd_rtnl_message_route_get_family(sd_rtnl_message *m, int *family);
 110 int sd_rtnl_message_route_get_dst_prefixlen(sd_rtnl_message *m, unsigned char *dst_len);
 111 int sd_rtnl_message_route_get_src_prefixlen(sd_rtnl_message *m, unsigned char *src_len);
 112
 113 int sd_rtnl_message_neigh_set_flags(sd_rtnl_message *m, uint8_t flags);
 114 int sd_rtnl_message_neigh_set_state(sd_rtnl_message *m, uint16_t state);
 115 int sd_rtnl_message_neigh_get_family(sd_rtnl_message *m, int *family);
 116 int sd_rtnl_message_neigh_get_ifindex(sd_rtnl_message *m, int *family);
 117 int sd_rtnl_message_neigh_get_state(sd_rtnl_message *m, uint16_t *state);
 118 int sd_rtnl_message_neigh_get_flags(sd_rtnl_message *m, uint8_t *flags);
 119
 120 int sd_rtnl_message_append_string(sd_rtnl_message *m, unsigned short type, const char *data);
 121 int sd_rtnl_message_append_u8(sd_rtnl_message *m, unsigned short type, uint8_t data);
 122 int sd_rtnl_message_append_u16(sd_rtnl_message *m, unsigned short type, uint16_t data);
 123 int sd_rtnl_message_append_u32(sd_rtnl_message *m, unsigned short type, uint32_t data);
 124 int sd_rtnl_message_append_in_addr(sd_rtnl_message *m, unsigned short type, const struct in_addr *data);
 125 int sd_rtnl_message_append_in6_addr(sd_rtnl_message *m, unsigned short type, const struct in6_addr *data);
 126 int sd_rtnl_message_append_ether_addr(sd_rtnl_message *m, unsigned short type, const struct ether_addr *data);
 127 int sd_rtnl_message_append_cache_info(sd_rtnl_message *m, unsigned short type, const struct ifa_cacheinfo *info);
 128
 129 int sd_rtnl_message_open_container(sd_rtnl_message *m, unsigned short type);
 130 int sd_rtnl_message_open_container_union(sd_rtnl_message *m, unsigned short type, const char *key);
 131 int sd_rtnl_message_close_container(sd_rtnl_message *m);
 132
 133 int sd_rtnl_message_read_string(sd_rtnl_message *m, unsigned short type, const char **data);
 134 int sd_rtnl_message_read_u8(sd_rtnl_message *m, unsigned short type, uint8_t *data);
 135 int sd_rtnl_message_read_u16(sd_rtnl_message *m, unsigned short type, uint16_t *data);
 136 int sd_rtnl_message_read_u32(sd_rtnl_message *m, unsigned short type, uint32_t *data);
 137 int sd_rtnl_message_read_ether_addr(sd_rtnl_message *m, unsigned short type, struct ether_addr *data);
 138 int sd_rtnl_message_read_cache_info(sd_rtnl_message *m, unsigned short type, struct ifa_cacheinfo *info);
 139 int sd_rtnl_message_read_in_addr(sd_rtnl_message *m, unsigned short type, struct in_addr *data);
 140 int sd_rtnl_message_read_in6_addr(sd_rtnl_message *m, unsigned short type, struct in6_addr *data);
 141 int sd_rtnl_message_enter_container(sd_rtnl_message *m, unsigned short type);
 142 int sd_rtnl_message_exit_container(sd_rtnl_message *m);
 143
 144 int sd_rtnl_message_rewind(sd_rtnl_message *m);
 145
 146 sd_rtnl_message *sd_rtnl_message_next(sd_rtnl_message *m);
 147
 148 _SD_END_DECLARATIONS;
 149
 150 #endif